Home / 129,973.86-194,932.80-75,902.46

Finding the Fourth Proportional to 129,973.86, 194,932.80 and 75,902.46

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Solution

The fourth proportional to 129,973.86, 194,932.80 and 75,902.46 is: 113,837.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,973.86 : 194,932.80 = 75,902.46 : x
  2. Step 2: Convert to fraction form
    129,973.86/194,932.80 = 75,902.46/x
  3. Step 3: Cross multiply
    129,973.86x = 194,932.80 × 75,902.46
  4. Step 4: Simplify right side
    129,973.86x = 14,795,879,054.69
  5. Step 5: Solve for x
    x = 14,795,879,054.69/129,973.86
  6. Step 6: Final answer
    x = 113,837.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.